bash script loop code example
Example 1: bash for loop
#!/bin/bash
for (( c=1; c<=5; c++ ))
do
echo "Welcome $c times"
done
Example 2: bash for loop
for VARIABLE in 1 2 3 4 5 .. N
do
command1
command2
commandN
done
Example 3: bash for loop
for VARIABLE in file1 file2 file3
do
command1 on $VARIABLE
command2
commandN
done
Example 4: bash script loop
while [ <some test> ]
do
<commands>
done
Example 5: bash for loop
for FILE in $(ls -A); do la $FILE; done
Example 6: loop bash
Use for in bash for iterating words in a string or values in an array as:
for value in {1, 2, 3}; do echo $value; done
for value in $(cat arguments_files.txt); do [some_command]; done
And use while for iterating lines from a pipe output as:
cat arguments_file.txt | while read line; do [some_command]; done